نتایج جستجو برای: epidemiological characteristic
تعداد نتایج: 243063 فیلتر نتایج به سال:
We study the notions of positive cone, characteristic and C-characteristic in (Krasner) hyperfields. demonstrate how these interact order to produce interesting results theory For instance, we provide a criterion for deciding whether certain hyperfields cannot be obtained via Krasner’s quotient construction. prove that any integer (larger than 1) can realized as some infinite hyperfield an anal...
In order to survey epidemiological characteristic of malaria in Hamadan province, a survey was made in malaria positive at the health services of provinces from 1980 to 1992. More than 300000 cases were positive for malaria parasites. The maximum cases were seen in 1983 and minimum cases in 1982. The most cases were imported from southern provinces and Afghanistan, provinces of disease ...
White Spot Disease (WSD) is well known as a widespread viral disease in shrimps from 1992. Many studies focused on morphological, histopathological and epidemiological characteristic and pathogenecity of the disease but less on the determination of the severity of WSD using the histopathological features in target tissues. A generalized scheme for assigning a numerical qualitative value to sev...
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